Home / 8,558,350.80-11,810,499.64-4,690,860

Finding the Fourth Proportional to 8,558,350.80, 11,810,499.64 and 4,690,860

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Solution

The fourth proportional to 8,558,350.80, 11,810,499.64 and 4,690,860 is: 6,473,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,350.80 : 11,810,499.64 = 4,690,860 : x
  2. Step 2: Convert to fraction form
    8,558,350.80/11,810,499.64 = 4,690,860/x
  3. Step 3: Cross multiply
    8,558,350.80x = 11,810,499.64 × 4,690,860
  4. Step 4: Simplify right side
    8,558,350.80x = 55,401,400,341,290.41
  5. Step 5: Solve for x
    x = 55,401,400,341,290.41/8,558,350.80
  6. Step 6: Final answer
    x = 6,473,373.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.